.w1200 {
  width: 1260px;
  margin: 0 auto;
}

.clearfix::after {
  display: block;
  content: '';
  clear: both;
}

input::placeholder {
  color: #beb4bf;
}

/* 外间距10 */
.m-10 {
  margin: 10px !important;
}
.m-t-10 {
  margin-top: 10px !important;
}
.m-l-10 {
  margin-left: 10px !important;
}
.m-r-10 {
  margin-right: 10px !important;
}
.m-b-10 {
  margin-bottom: 10px !important;
}

/* 外间距20 */
.m-20 {
  margin: 20px !important;
}
.m-t-20 {
  margin-top: 20px !important;
}
.m-l-20 {
  margin-left: 20px !important;
}
.m-r-20 {
  margin-right: 20px !important;
}
.m-b-20 {
  margin-bottom: 20px !important;
}

/* 外间距30 */
.m-30 {
  margin: 30px !important;
}
.m-t-30 {
  margin-top: 30px !important;
}
.m-l-30 {
  margin-left: 30px !important;
}
.m-r-30 {
  margin-right: 30px !important;
}
.m-b-30 {
  margin-bottom: 30px !important;
}

/* 内间距10 */
.p-10 {
  padding: 10px !important;
}
.p-t-10 {
  padding-top: 10px !important;
}
.p-l-10 {
  padding-left: 10px !important;
}
.p-r-10 {
  padding-right: 10px !important;
}
.p-b-10 {
  padding-bottom: 10px !important;
}

/* 内间距20 */
.p-20 {
  padding: 20px !important;
}
.p-t-20 {
  padding-top: 20px !important;
}
.p-l-20 {
  padding-left: 20px !important;
}
.p-r-20 {
  padding-right: 20px !important;
}
.p-b-20 {
  padding-bottom: 20px !important;
}

/* 内间距30 */
.p-30 {
  padding: 30px !important;
}
.p-t-30 {
  padding-top: 30px !important;
}
.p-l-30 {
  padding-left: 30px !important;
}
.p-r-30 {
  padding-right: 30px !important;
}
.p-b-30 {
  padding-bottom: 30px !important;
}

::-webkit-scrollbar {
  width: 4px;
  height: 4px;
  background-color: transparent;
}
/* //定义滚动条轨道
  //内阴影+圆角 */
::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 6px rgba(64, 110, 139, 0.9);
  border-radius: 10px;
  background-color: transparent;
  background-size: 100% 100%;
}
/* //定义滑块
  // 内阴影+圆角 */
::-webkit-scrollbar-thumb {
  border-radius: 10px;
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  /* background-color: #9deeff; */
  background-color: #409eff;
}
::-webkit-scrollbar-thumb:hover {
  /* background-color: #9deeff; */
  background-color: #409eff;
}
